Samuel Mayo Nickerson, b. 14 Jun 1830 in Chatham, Barnstable County, Massachusetts, d. 20 Jul 1914 in Brewster, Barnstable County, Massachusetts, son of Ensign Nickerson, Jr. & Rebecca Mayo. He married Matilda Pinkham Crosby on December 14, 1858 in Brewster, Barnstable County, Massachusetts.
Sereno Dwight Nickerson, b. 16 Oct 1823 in Boston, Suffolk County, Massachusetts, d. 6 Nov 1909 in Cambridge, Middlesex County, Massachusetts, son of Ebenezer Nickerson & Eudoxa White. He married Louise R. Kilburn on October 16, 1883 in Cambridge, Middlesex County, Massachusetts.